| | Conditions Treatments | Chlamydia How do you code the diagnosis for chlamydia and gonorrhea? The diagnosis codes for chlamydia and gonorrhea are: Chlamydia - ICD-10: A56.1** - ICD-9: 099.41 Gonorrhea - ICD-10: A54.1 - ICD-9: 098.41 Chlamydia - Related Articles Information on Camphor Drug Addiction Recovery Rates About Plants That Are Used in Medicine Why Are Teen Pregnancy Prevention Programs Important? Homeopathic Detox Kit Ingredients Effects of Ethanol on Ice Signs & Symptoms of Bedbugs